company |  corporate structure staff members quality assurance committees and associations cooperations experts headquarter and branches |  Essen Berlin activity |  earthworks and foundation engineering, rock works, special geotechnical works soil and rock mechanics geological engineering, hydrology, ground water geosynthetics tunnelling, microtunnelling and caverns environmental engineering services |  consulting planning investigation / research inspection supervision expertise references |  earthworks and foundation engineering, rock works, special geotechnical works soil and rock mechanics geological engineering, hydrology, ground water geosynthetics tunnelling, microtunnelling and caverns environmental engineering service |  contact career information disclaimer and imprint search